/Engine/Plugins/VirtualProduction/DMX/DMXPixelMapping/Source/DMXPixelMappingRenderer/Public/IDMXPixelMappingRenderer.h
typedef [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void([TArray](API\Runtime\Core\Containers\TArray)< [FLinearColor](API\Runtime\Core\Math\FLinearColor) > &&, FIntRect)> DownsampleReadCallback